CAS No.31255-10-4,Ethane, 1,2-bis(2-bromoethoxy)- Suppliers

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Basic Information

Molecular Structure:
CAS No.:	31255-10-4
Name:	Ethane, 1,2-bis(2-bromoethoxy)-
Article Data:	44

Formula:	C₆H₁₂Br₂O₂
Molecular Weight:	275.968
Synonyms:	1-Bromo-2-[2-(2-bromoethoxy)ethoxy]ethane;
Density:	1.655 g/cm³
Boiling Point:	285.1 °C at 760 mmHg
Flash Point:	113.8 °C
PSA:	18.46000
LogP:	1.80940

Synthetic route

: 112-27-6
2,2'-[1,2-ethanediylbis(oxy)]bisethanol

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

Conditions

Conditions	Yield
Stage #1: 2,2'-[1,2-ethanediylbis(oxy)]bisethanol With carbon tetrabromide In dichloromethane for 0.25h; Appel reaction; Stage #2: With triphenylphosphine In dichloromethane at 20℃; Appel reaction;	90%
With carbon tetrabromide; triphenylphosphine In tetrahydrofuran at 20℃; for 1h;	90%
With carbon tetrabromide; triphenylphosphine In tetrahydrofuran at 20℃; for 12h;	87%

: 19249-03-7
triethylene glycol di-(p-toluenesulfonate)

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

Conditions

Conditions	Yield
With ammonium bromide In N,N-dimethyl-formamide at 85℃; for 5h; Product distribution; Further Variations:; Solvents;	76%
With ammonium bromide In N,N-dimethyl-formamide at 85℃; for 5h; Product distribution / selectivity;	76%
With lithium bromide In acetone Reflux;

: 507-16-4
sulfurous dibromide

: 112-27-6
2,2'-[1,2-ethanediylbis(oxy)]bisethanol

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

Conditions

Conditions	Yield
With pyridine In benzine at 65℃; for 17h; Reflux;	60%

: 75-21-8
oxirane

: 74-85-1
ethene

A: 5414-19-7
1,1'-oxybis(2-bromo-ethane)

B: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

Conditions

Conditions	Yield
With bromine

...Expand

: 123-91-1
1,4-dioxane

: 74-85-1
ethene

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

Conditions

Conditions	Yield
With bromine

: 1462-35-7
1-bromo-2-(chloromethoxy)ethane

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

Conditions

Conditions	Yield
With sodium; N,N-dimethyl-aniline In benzene

: 123-91-1
1,4-dioxane

A: 5414-19-7
1,1'-oxybis(2-bromo-ethane)

B: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

C: 31255-26-2
1-bromo-2-{2-[2-(2-bromoethoxy)ethoxy]-ethoxy}ethane

Conditions

Conditions	Yield
With titanium(IV) bromide 1.) CH2Cl2, room temperature, 2.) CH2Cl2, reflux, 21 d; Yield given. Multistep reaction. Yields of byproduct given;

...Expand

: 80322-82-3
triethyleneglycol dimesylate

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

Conditions

Conditions	Yield
With lithium bromide In acetone for 20h; Heating;
With tetrabutylammomium bromide In acetonitrile at 50℃; for 16h; Inert atmosphere;	2.84 g

: 143-16-8
dihexylamine

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

: {2-[2-(2-Dihexylamino-ethoxy)-ethoxy]-ethyl}-dihexyl-amine

Conditions

Conditions	Yield
With sodium carbonate In acetonitrile at 81℃; for 18h;	98%

: 35980-64-4
1,5,9-Tritosyl-1,5,9-triazanonane

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

: 60147-31-1
7,11,15-tris(p-tolylsulphonyl)-1,4-dioxa-7,11,15-triazacycloheptadecane

Conditions

Conditions	Yield
With sodium hydroxide; tetra-(n-butyl)ammonium iodide In toluene for 10h; Heating;	96%
With sodium hydroxide; tetra-(n-butyl)ammonium iodide In water; toluene for 9h; Heating;	96%

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Specification

The CAS registry number of Ethane, 1,2-bis(2-bromoethoxy)- is 31255-10-4. This chemical's molecular formula is C₆H₁₂Br₂O₂ and molecular weight is 275.9663. What's more, its systematic name is 1-Bromo-2-[2-(2-bromoethoxy)ethoxy]ethane.

Physical properties about Ethane, 1,2-bis(2-bromoethoxy)- are: (1)ACD/LogP: 1.52; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.52; (4)ACD/LogD (pH 7.4): 1.52; (5)ACD/BCF (pH 5.5): 8.36; (6)ACD/BCF (pH 7.4): 8.36; (7)ACD/KOC (pH 5.5): 159.11; (8)ACD/KOC (pH 7.4): 159.11; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 7; (12)Polar Surface Area: 18.46 Å²; (13)Index of Refraction: 1.497; (14)Molar Refractivity: 48.8 cm³; (15)Molar Volume: 166.6 cm³; (16)Polarizability: 19.34 10^-24cm³; (17)Surface Tension: 38.2 dyne/cm; (18)Density: 1.655 g/cm³; (19)Flash Point: 113.8 °C; (20)Enthalpy of Vaporization: 50.31 kJ/mol; (21)Boiling Point: 285.1 °C at 760 mmHg; (22)Vapour Pressure: 0.00491 mmHg at 25 °C.

Preparation of Ethane, 1,2-bis(2-bromoethoxy)-: this chemical is prepared by 2,2'-Ethane-1,2-diyldioxy-bis-ethanol. This reaction needs reagents pyridine, phosphorus tribromide at temperature of 60 °C. The reaction time is 4 hours. The yield is 53 %. And the reaction equation is as followed:

Ethane, 1,2-bis(2-bromoethoxy)- is prepared by 2,2'-Ethane-1,2-diyldioxy-bis-ethanol

Use of Ethane, 1,2-bis(2-bromoethoxy)-: it is used to produce other chemicals. For example, it is used to produce 1,2-Bis-(2-piperidino-ethoxy)-ethane. The reaction occurs with reagent benzene at temperature of 70 °C. The reaction time is 13 hours. The yield is 81 %. And the reaction equation is as followed:

Ethane, 1,2-bis(2-bromoethoxy)- is used to produce 1,2-Bis-(2-piperidino-ethoxy)-ethane

You can still convert the following datas into molecular structure:
(1) SMILES: BrCCOCCOCCBr
(2) InChI: InChI=1/C6H12Br2O2/c7-1-3-9-5-6-10-4-2-8/h1-6H2
(3) InChIKey: UOWNEWCMPHICQH-UHFFFAOYAL